Global Patent Index - EP 2897273 A1

EP 2897273 A1 20150722 - Semiconductor integrated circuit and method for operating the same

Title (en)

Semiconductor integrated circuit and method for operating the same

Title (de)

Integrierte Halbleiterschaltung und Verfahren zu ihrem Betrieb

Title (fr)

Circuit intégré à semi-conducteur et son procédé de fonctionnement

Publication

EP 2897273 A1 20150722 (EN)

Application

EP 15150901 A 20150113

Priority

JP 2014006361 A 20140117

Abstract (en)

A semiconductor integrated circuit that is used for a stabilizing power supply circuit which supplies an output power supply voltage to a parallel connection of a smoothing capacitor and a load, from an input power supply voltage, includes an error amplifier that detects an error of the output power supply voltage, an output control circuit that is connected between the input terminal and the output terminal, a phase compensation circuit that is connected to the error amplifier, and a detection control circuit that is connected to the phase compensation circuit.

IPC 8 full level

H02M 3/156 (2006.01)

CPC (source: EP US)

G05F 1/56 (2013.01 - EP US); G05F 1/567 (2013.01 - EP US); H02M 3/156 (2013.01 - EP US); H02M 1/0025 (2021.05 - EP US); H02M 1/14 (2013.01 - EP US)

Citation (applicant)

  • JP 2000284843 A 20001013 - FUJI ELECTRIC CO LTD
  • JP 2007151246 A 20070614 - RENESAS TECH CORP
  • JP 2002136123 A 20020510 - SANKEN ELECTRIC CO LTD
  • JP 2002044938 A 20020208 - SHARP KK
  • APPLICATION TO SMOOTHING CAPACITOR OF SWITCHING POWER SUPPLY, 7 November 2013 (2013-11-07), pages 65 - 69, Retrieved from the Internet <URL:http://itonet.co.jp/DataSheets/Sanyo Electri c/OS-CON/pld/65.pdf>
  • APPLICATION TO SMOOTHING CAPACITOR OF SWITCHING POWER SUPPLY, 7 November 2013 (2013-11-07), pages 65 - 69, Retrieved from the Internet <URL:http://itonet.co.jp/DataSheets/Sanyo Electric/OS-CON/pld/65.pdf>
  • "Application note surface mounted chopper type switching regulator IC SI-8000JD series", 2010, SANKEN ELECTRIC CO., LTD, pages: 1 - 29
  • "Application note surface mounted chopper type switching regulator IC SI-8000JD series", January 2010, SANKEN ELECTRIC CO., LTD., pages: 1 - 29
  • NOTES ON USE OF OPERATIONAL AMPLIFIER WITH SMALL PHASE AND GAIN MARGIN, 7 November 2013 (2013-11-07), pages 1 - 8, Retrieved from the Internet <URL:http://tij.co.jp/jp/lit/an/jajal30/jajal30.pdf>
  • NOTES ON USE OF OPERATIONAL AMPLIFIER WITH SMALL PHASE AND GAIN MARGIN, 7 November 2013 (2013-11-07), pages 1 - 8, Retrieved from the Internet <URL:http://tij.co.jp/jp/lit/an/jaja130/jaja130.pdf>

Citation (search report)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 2897273 A1 20150722; EP 2897273 B1 20191225; CN 104793677 A 20150722; CN 104793677 B 20180720; JP 2015136229 A 20150727; JP 6321967 B2 20180509; US 2015205314 A1 20150723; US 9600005 B2 20170321

DOCDB simple family (application)

EP 15150901 A 20150113; CN 201510023733 A 20150116; JP 2014006361 A 20140117; US 201514593912 A 20150109